Concentration cGCSE

Concentration is measured in g dm^-3

This is the amount of grams in every

• 1000 cm³ of liquid

• 100 cm³ of liquid

• 1 cm³ of liquid

• 10 cm³ of liquid

In order to make a more dilute a solution, you need to

• add more solid

• add more water

• add less solid

• add less water

Which solution would be more diluted?

• 60g of salt in

  500 dm³ of water

• 60g of salt in

  1000 dm³ of water

• They are equal

You can tell which solution of orange squash is most concentrated by comparing the colours

• false

• true

These two salt water solutions have the same volume. Which solution is more concentrated?

• orange solution

• green solution

• they are equally concentrated

Both solutions have equal volumes . Which solution is more diluted?

• Solution X

• Solution Y

• they are equal

The ___ is the thing being dissolved

• solute
• solvent

How many grams are needed to make 2.5 dm³ of a 3.8 g dm^-3 solution?

In salty seawater ...

• solute = salt

  solvent = water

• solute = water

  solvent = salt

In sweet tea...

• solvent = water

  solute = sugar

• solvent = sugar

  solute = water